code: def main() -> None:
      args = parse_args()
      args.func(args)
  
file_path: onnx/onnx/backend/test/cmd_tools.py
imports: import argparse
  import json
  import os
  import shutil
  import warnings
  import onnx.backend.test.case.model
  import onnx.backend.test.case.node
  from onnx import ONNX_ML, TensorProto, numpy_helper
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types